| 单词 | main axis |
| 释义 | DEFINITIVE EXAMPLES 权威例句〔branch〕A secondary outgrowth or subdivision of a main axis, such as the tine of a deer's antlers.分叉：主轴上的次级旁枝或分岔，如鹿角尖美国传统〔cyme〕A usually flat-topped or convex flower cluster in which the main axis and each branch end in a flower that opens before the flowers below or to the side of it.聚伞花序：一种通常为平顶或凸面的花簇，其中主要的茎轴和每一枝梢的花要比它下侧面或侧面的花先开美国传统〔deliquesce〕To branch out into numerous subdivisions that lack a main axis, as the stem of an elm.歧散：枝条向四周散开成很多分支，没有主轴，如榆树的树干美国传统〔monopodium〕A main axis of a plant, such as the trunk of a spruce, that maintains a single line of growth, giving off lateral branches.单轴：植物的主轴，如云杉的树干，维持树木的生长并长出旁枝美国传统〔pole〕Either extremity of the main axis of a nucleus, a cell, or an organism.卵细胞的极：细胞核、细胞或有机体的主轴两端的任一端美国传统〔rachis〕A main axis or shaft, such as the main stem of an inflorescence, the stalk of a pinnately compound leaf, or the spinal column.花序轴：主轴或主茎，如花序的总轴、掌状复叶的茎或螺旋状的柱美国传统〔shaft〕The main axis of a feather, especially its distal portion.羽干：羽毛的主轴，尤指羽毛末端部分美国传统〔stalk〕A stem or main axis of a herbaceous plant.茎，干：草本植物的茎或主梗美国传统 |
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